<template>
  <div class="icons">
   <swiper :options="swiperOption">
   <swiper-slide v-for="(page, index) of pages" :key="index">
      <div class="icon" v-for='item of page' :key='item.id'>
        <div class="icon-img">
           <img :src='item.imgUrl' alt="" class="icon-img-content">
        </div>
         <p class="icon-desc">{{item.desc}}</p>
     </div>
     </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'headerIcon',
  data () {
    return {
      swiperOption: {},
      iconList: [{
        'id': '0001',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/54/ace00878a52d9702.png',
        'desc': '景点门票'
      }, {
        'id': '0002',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1711/df/86cbcfc533330d02.png',
        'desc': '滑雪季'
      }, {
        'id': '0003',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1710/a6/83f636bd75ae6302.png',
        'desc': '泡温泉'
      }, {
        'id': '0004',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/35/2640cab202c41b02.png',
        'desc': '动植园'
      }, {
        'id': '0005',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/d0/e09575e66f4aa402.png',
        'desc': '游乐园'
      }, {
        'id': '0006',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/59/569d3c096e542502.png',
        'desc': '必游榜单'
      }, {
        'id': '0007',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/17/4bd370f3eb1acd02.png',
        'desc': '演出'
      }, {
        'id': '0008',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/7f/b1ea3c8c7fb6db02.png',
        'desc': '城市观光'
      }, {
        'id': '0009',
        'imgUrl': 'http://img1.qunarzz.com/piao/fusion/1611/a9/ffc620dbda9b9c02.png',
        'desc': '一日游'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.iconList.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style scoped lang='stylus'>
@import '~styles/varibles.styl'
@import '~styles/mixin.styl'
.icons>>>.swiper-slide
  height 0
  padding-bottom 50%
.icon
  float left
  width 25%
  padding-bottom 25%
  position relative
  .icon-img
    position absolute
    top 0
    left 0
    right 0
    bottom 0.44rem
    box-sizing border-box
    padding 0.1rem
    .icon-img-content
      display block
      margin 0 auto
      height 100%
  .icon-desc
    position absolute
    left 0
    right 0
    bottom 0
    height 0.44rem
    line-height 0.44rem
    text-align center
    color $darkTextColor
    exllipis()
</style>
